import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
class PersonSortable2{
    private String name;
    private int age;
    PersonSortable2(String name, int age){
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String toString(){
        return name + "-" + age;
    }
}
class NameComparator implements Comparator<PersonSortable2>{

    @Override
    public int compare(PersonSortable2 o1, PersonSortable2 o2) {

        return o1.getName().compareTo(o2.getName());
    }
}

class AgeComparator implements Comparator<Object>{

    @Override
    public int compare(Object o1, Object o2) {
        // TODO Auto-generated method stub
        return ((PersonSortable2)o1).getAge() - ((PersonSortable2)o2).getAge();
    }

}
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        PersonSortable2[] personSortable2s=new PersonSortable2[n];
        for(int i=0;i<n;i++){
            personSortable2s[i]=new PersonSortable2(sc.next(), sc.nextInt());

        }
        Arrays.sort(personSortable2s, (new NameComparator()));
        System.out.println("NameComparator:sort");
        for(int i = 0; i < n; i ++){
            System.out.println(personSortable2s[i]);
        }
        Arrays.sort(personSortable2s, (new AgeComparator()));
        System.out.println("AgeComparator:sort");
        for(int i = 0; i < n; i ++){
            System.out.println(personSortable2s[i]);
        }
        System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
        System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));

    }
}